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MAINTENANCE
Do not try to open the power supply. Maintenance and repairs may only
be performed by personnel authorized by us.
Do not try to open the device. Maintenance and repairs may only be per-
formed by personnel authorized by us.
You yourself can help to increase the service life of the device and ensure that
it continues to work safely.
•
Follow the cleaning instructions from page 65.
•
Check the system regularly:
–
Conduct a visual check for external damage and dirt
–
Check the mask alarm function once a week (see page 57)
Maintenance
71
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